Operating instructions

16 RITTAL cooling unit assembly and operating instructions
4 Assembly and connection
EN
Fig. 23: Electrical wiring plan no. 3
Fig. 24: Electrical wiring plan no. 4
SK 3361.540/.640
L1
PE
1
2
3
4
5
L2
N
S1
22
21
PE
5
X1
M1
1
2
3
1
2
3
LN
Power
S1
1
2
3
12
Kx
NTC I red
A2
1
F2
2
P
2
2
2
A1
M2
1
2
3
M4
1
2
3
S
R
C
M1
F3
C2
C4
M2
1~
M
M4
1~
M
C1
X2 X3
38
PE
K2
K1
MS1
Serial
NTC E blue
NTC C white
NTC A yellow
Level green
Term
2
2
4
F2
B1
B2
B3
B4
B5
PE
L1 L2 PE
T1
400 V
230 V
23
4
5
M2
L1
L2
PE
1
S1
PE
5
L
123
N
Power
Kx
M1
1
2
3
M2
1
2
3
M4
13
NTC I red
NTC E blue
Te rm
L1 L2
R1
P
M4
M
1~
M
1~
X1
A2
2
2
8
B1
B2
F2
2
1
F2
C4
S1
12 321
A1
PE
C2
L2L1
L
N
T1
2
22 21
N
C1
F3
S
R
1
3
M1
C
SK 3304.100/.200
F11
E1
Mains